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auditory hillocks, pharyngeal arch 2 derived

^ http://purl.obolibrary.org/obo/UBERON_0016612


A collection of protruberances derived from pharyngeal arch 2 that develop into the concha, antihelix and antitragus. [ http://php.med.unsw.edu.au/embryology/index.php?title=Hearing_-_Outer_Ear_Development#Pinna-_Auricle ]